Robert MOTHERWELL
1915–1991, USA
Also known as: RM
1970
Signature considered genuine
1973
Signature considered genuine
1973
Signature considered genuine
1973
Signature considered genuine
1976
Signature considered genuine
1979-1980
Signature considered genuine
1984
Signature considered genuine
1985
Signature considered genuine
1988
Signature considered genuine
Signature considered genuine